7[3]Schwab SJ, Beasrab A, Beathard G, et al: NKF- DOQI clinical practice guidelines for vascular access. National kidney Foundation- Dialysis Outcomes Quality Iniriative. Am J Kidney Dis, 30(suppl3): 1997, S150 - S191
8[5]Dionisio P, Valenti M, Bergia R, et al. Evaluation of urea recirculation and dialysis efficency of central venous jugular catheters when the venous lumen is used as an arterial lumen. Minerva Urol Nepheol, 1999, 51(2): 61 - 65
9[6]Hernadez D, Diaz F, Rufino M, et al. Subclavian vascular access stenosis in dialysis patients: natural history and risk factors. J Am Soc Nephrol, 1998, 9(8): 1507 - 1510
10[7]Lund GB, Trerotola SO, Scheel PF, et al. Outcome of tunneled hemodialysis catheters placed by radiologists. Radiology, 1996,198:467 - 472
